Fiat
Bank transfer and OPay (NGN), plus card checkout - built into the modal.
From checkout to settlement.
The drop-in checkout SDK for Sui - one package, one modal, every major way to pay. You integrate once; customers pay how they like.
$ npm install suioutkit
One integration. Every way to pay.
Everything merchants need to accept money and settle on Sui, without building a payment stack from scratch.
Crypto
Sui wallet and outPay in the same flow - no second integration.
Settlement
Payouts and receipts on Sui when checkout completes - handled for you.
What's inside the package.
A quick look at the SDK surface you import from npm.
import SuiOutKit, request, formatNgn, toTokenUnits, formatToken, createPolling, DEFAULT_API_ORIGIN, API_V1_PREFIX from "suioutkit";
// core checkout flow
class SuiOutKit
initCheckout(options) create a payment session
openModal(session, options?) bank · OPay · card · wallet UI
wrapButton(selector, options) one-line pay button on your site
confirmCryptoPayment(nonce, txDigest, method?) confirm wallet / outPay settlement
// utility exports
request(url, options?) fetch wrapper with timeout
formatNgn(amount) format NGN with ₦
toTokenUnits(base, decimals?) convert base units to float
formatToken(amount, decimals?, digits?) display-friendly token amount string
createPolling(fn, intervalMs) polling utility
Get started.
1
Install the SDK
Add SuiOutKit to your app or storefront.
$ npm install suioutkit
2
Set your merchant address
Pass the Sui address where you want to receive settlement.
import { SuiOutKit } from "suioutkit";
const sdk = new SuiOutKit({
merchantAddress: "0x...",
// mode: "local", // optional, local dev
// mode: "live", // optional, production (default)
});3
Open checkout
Create a session and launch the modal - or use wrapButton for a one-liner.
sdk.initCheckout({
amount: 45000,
currency: "NGN",
// coinType: "0x2::sui::SUI", // optional settlement coin override
// metadata: { orderId: "..." },
});